head-to-head

Anthropic: Claude Sonnet Latest vs Google: Gemma 4 31B (free)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

	Anthropic: Claude Sonnet Latest	Google: Gemma 4 31B (free)
Vendor	~anthropic	google
Quality Score	100	100
Benchmark Score	-	53.7
Input Price	$2.00/M	Free
Output Price	$10.00/M	Free
Context Window	1,000,000	262,144
Max Output	128,000	32,768
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	-	31.3
eqbench	-	70.8

Who wins by task?

Task	Anthropic: Claude Sonnet Latest	Google: Gemma 4 31B (free)
SQL Generation	132	140
Code Review	132	140
Code Completion	117	132
Code Refactoring	136	141
Bug Fixing	136	144
Unit Test Generation	124	130
Code Documentation	129	135
Regex Writing	117	126
CI/CD Pipelines	120	126
Frontend Component Design	122	128
Data Analysis	124	132
CSV / Spreadsheet Cleanup	132	134
ETL Scripting	128	133
JSON Extraction	121	132
Bulk Data Labeling	118	130
OCR / Document Parsing	131	131
Table Extraction from PDFs	131	131
Long-Document Summarization	136	143
Short-Form Summarization	113	127
Blog Post Writing	120	128

Scores reflect capability match + benchmark data + pricing for each task. Methodology →